Home / 2,317.68-3,478.61-2,070.50

Finding the Fourth Proportional to 2,317.68, 3,478.61 and 2,070.50

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Solution

The fourth proportional to 2,317.68, 3,478.61 and 2,070.50 is: 3,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.68 : 3,478.61 = 2,070.50 : x
  2. Step 2: Convert to fraction form
    2,317.68/3,478.61 = 2,070.50/x
  3. Step 3: Cross multiply
    2,317.68x = 3,478.61 × 2,070.50
  4. Step 4: Simplify right side
    2,317.68x = 7,202,449.79
  5. Step 5: Solve for x
    x = 7,202,449.79/2,317.68
  6. Step 6: Final answer
    x = 3,107.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.